70710540 has 48 divisors (see below), whose sum is σ = 198858240. Its totient is φ = 18773440.

The previous prime is 70710539. The next prime is 70710547. The reversal of 70710540 is 4501707.

It is a self number, because there is not a number n which added to its sum of digits gives 70710540.

It is not an unprimeable number, because it can be changed into a prime (70710547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11875 + ... + 16805.

It is an arithmetic number, because the mean of its divisors is an integer number (4142880).

Almost surely, 2^70710540 is an apocalyptic number.

It is an amenable number.

70710540 is an abundant number, since it is smaller than the sum of its proper divisors (128147700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70710540 is a wasteful number, since it uses less digits than its factorization.

70710540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5182 (or 5180 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 70710540 is about 8408.9559399488. The cubic root of 70710540 is about 413.5182849589.

The spelling of 70710540 in words is "seventy million, seven hundred ten thousand, five hundred forty".